Cita APA (7th ed.)

Eckes, A. E. (1979). The United States and the global struggle for minerals. University of Texas Press.

Cita Chicago (17th ed.)

Eckes, Alfred E. The United States and the Global Struggle for Minerals. Austin: University of Texas Press, 1979.

Cita MLA (9th ed.)

Eckes, Alfred E. The United States and the Global Struggle for Minerals. University of Texas Press, 1979.